Grodan Delta Rockwool Cubes 4×4×4 cm (15 pcs) – Substrate for Hydroponics, Propagation and Seed Starting
Product Description
Grodan Delta rockwool cubes (4×4×4 cm) are high-quality growing media designed for hydroponic systems, seed starting, and cutting propagation. They provide ideal conditions for young plant development thanks to their excellent air-to-water ratio and sterile environment.
Applications
- Seed germination and sprouting
- Rooting cuttings and clones
- Hydroponic and soilless cultivation
- Drip irrigation systems, ebb and flow setups, and automated indoor growing
- Transplanting into larger Grodan blocks or slabs (blocking technique)
Product Advantages
- Uniform structure ensures consistent moisture and oxygen distribution
- Sterile material promotes healthy root development
- Easy to control EC and pH levels
- Compatible with professional irrigation and sensor systems
- UV-resistant foil prevents algae growth
- Reusable and recyclab
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